Inventor

SIM EUN DEOK

KR20 patents

⚠️ This page may combine multiple inventors who share the name “SIM EUN DEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIM EUN DEOK

KOREA ELECTRONICS TELECOMM

Parabolic waveguide-type collimating lens with tunable external cavity laser diode provided with the same

High speed optical signal processor including saturable absorber and gain-clamped optical amplifier

Logic element employing saturable absorber

Method for manufacturing semiconductor optical amplifier having planar buried heterostructure

Self-pulsating laser diode

Waveguide photodetector

Parabolic waveguide-type collimating lens and tunable external cavity laser diode provided with the same

Wavelength tunable light source integrated with optical amplifier, beam steering unit, and concave diffraction grating

High frequency optical pulse source

Laser diode generating passive mode and method of creating optical pulse using the same diode

Signal processor for converting signal

Waveguide PIN photodiode having graded index distribution centering around optical absorption layer

Optical signal retiming, reshaping, and reamplifying (3R) regeneration system having monolithically integrated Mach Zehnder interferometer and self-pulsating laser diode

Apparatus and method for wavelength conversion and clock signal extraction using semiconductor optical amplifiers

SAMSUNG ELECTRONICS CO LTD

Semiconductor light emitting device, light emitting device package comprising the same, and lighting device comprising the same

Method of manufacturing semiconductor light emitting device

Semiconductor light emitting device

Semiconductor light emitting device

Semiconductor light emitting device having convex portion made with different materials

Material layer stack, light emitting element, light emitting package, and method of fabricating light emitting element